100098172 has 12 divisors (see below), whose sum is σ = 179906440. Its totient is φ = 48696336.

The previous prime is 100098157. The next prime is 100098191. The reversal of 100098172 is 271890001.

It is a self number, because there is not a number n which added to its sum of digits gives 100098172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338022 + ... + 338317.

Almost surely, 2^100098172 is an apocalyptic number.

It is an amenable number.

100098172 is a deficient number, since it is larger than the sum of its proper divisors (79808268).

100098172 is a wasteful number, since it uses less digits than its factorization.

100098172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676380 (or 676378 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 100098172 is about 10004.9073958733. The cubic root of 100098172 is about 464.3107250364.

It can be divided in two parts, 10009 and 8172, that added together give a palindrome (18181).

The spelling of 100098172 in words is "one hundred million, ninety-eight thousand, one hundred seventy-two".